What is it used for? Precipitin test is used to distinguish between animal and human blood. 4. What makes fingerprints individual? How do scientists match a fingerprint to a specific person?
Fingerprint authentication refers to the automated method of verifying a match between two human fingerprints. Fingerprints are one of many forms of biometrics used to identify an individual and verify their identity.
Introduction: All matter on Earth is a pure substance or a mixture. The simplest way to find out what is in some of these mixtures is through paper chromatography. In this experiment the intent is to be able to use chromatography to separate the components of black ink. The topic of paper chromatography was chosen because of an interest and curiosity of what ink mixtures were made up of. This experiment was chosen to prove that different solvents and paper could be used to separate the different materials in black ink.
The optical time-domain reflectometer is the fiber-optic equivalent of the TDR. This tester transmits a calibrated signal pulse over the cable to be tested and monitors the signal that returns back to the unit. Unlike TDR however OTDR measures the signal returned by backscatter, phenomenon that affects all fiber-optic cable. Due to splicing and attaching connectors to fiber-optic cables the best way to inspect cleaved fiber ends and polished connection ferrules is with a microscope. The microscope is designed to hold cables and connectors in precisely the correct position for examination enabling you to detect dirty, scratched, or cracked connectors and ensure that cables are cleaved properly in preparation for splicing.
Ink Chromatography Background Information and Research Paper chromatography helps separate a solution with multiple components. Paper chromatography helps chemists and biologists identify organic and inorganic compounds. It is also used in DNA and RNA sequencing. Biologists sometimes use paper chromatography to separate plant pigments. Purpose The purpose of this experiment is to see the effect that paper chromatography has on ink.
Answer the following questions as you proceed. Forensic Biology: Follow Greg and answer the following questions. What is DNA? The genetic make up of all living things After taking DNA from Suspects A & B –
There are many different ways phlebotomist can go about with the safety and infection control. As a phlebotomist when drawing blood make sure to wear gloves, inspect the gloves to assure that there is no holes, use clean needles, when disposing the needle be sure to deposit them in a waste basket. Also if there is any spilled blood in the health care environment it is important that phlebotomist clean it up while wearing protective gloves and disposing the gloves and soiled rag in a biohazard container. It is better to regulate on the side of being too cautious when implementing OSHA regulations, rather than being too casual. Neglecting the safety and infection control can cause major problems in a healthcare facility so it is key that you go about the proper procedures and routine to keep everything safe and clean.
Identification is the act of claiming an identity using just one authentication factor and authentication is the act of proving a claimed identity using one or more authentication factors. Identification in its simplest form can be related to the requestor of a resource to input user identification such as an e-mail or some other form of user ID. Two-factor authentication is when two different authentication factors are used to prove ones identity. Multi-factor is just as it sounds meaning that two or more authentication factors must be used to verify a person’s identity. That being
sine, random and shock. A detailed work has been carried out to quantify the mechanical properties of the PCB plate both analytically and experimentally. This E value obtained was used in the FEM analysis (using ANSYS 16) to solve the vibration response of the
The acoustic waves generated from the absorbing tissue reach the detectors in the transducer array at different times. This time delay leads to the precise localization of the source tissue and creation of a map of the function of electromagnetic energy deposition. To obtain a PAT image, many photoacoustic images are taken at different angles by pulsing electromagnetic radiation onto a tissue which is suspend in a bath while a piezoelectric transducer detects the generated photoacoustic waves to reconstruct an image. PAT suffers from optical scattering, which lowers the spatial resolution with an increasing depth in soft tissues (3). PAT has a variety of applications in the many emerging fields of scientific research and may one day prove to be a valuable resource in a clinical setting.